SIMANULLANG, H. T. .; SUJANTO, B. .; ARBAH, F. . School Principal Performance Improvement Through Leadership Transformational and Affective Commitment . Migration Letters, London, UK, v. 21, n. 2, p. 1131–1145, 2023. Disponível em: https://migrationletters.com/index.php/ml/article/view/7057. Acesso em: 1 sep. 2024.